An Important question based on Arithmetic progression Chapter of R.S Aggarwal book for ICSE & CBSE Board.

Here the AP is given. You have to find the *n*th term from the end of the AP.

This is the Question Number 23 Exercise 11 A of RS Aggarwal Solution.

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# Find the 8th term from the end of the AP 7, 10, 13, ……, 184.

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Given AP is 7, 10, 13,…, 184

a = 7, d = 10 – 7 = 3 and l = 184

nth term from the end = l – (n – 1)d

Now,

8th term from the end be

=184 – (8 – 1)3

= 184 – 21

= 163